Finding the Fourth Proportional to 227,395.95, 313,929.44 and 136,772.14
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Solution
The fourth proportional to 227,395.95, 313,929.44 and 136,772.14 is: 188,819.55
Step by Step Solution
- Step 1: Write the proportion equation
227,395.95 : 313,929.44 = 136,772.14 : x - Step 2: Convert to fraction form
227,395.95/313,929.44 = 136,772.14/x - Step 3: Cross multiply
227,395.95x = 313,929.44 × 136,772.14 - Step 4: Simplify right side
227,395.95x = 42,936,800,633.94 - Step 5: Solve for x
x = 42,936,800,633.94/227,395.95 - Step 6: Final answer
x = 188,819.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.